Weld thermal simulation of API 5CT L80 grade steel

被引：0
|
作者：
Vinothkumar Palanisamy
Jan Ketil Solberg
Bjarne Salberg
Per Thomas Moe
机构：
[1] Norwegian University of Science and Technology,Department of Materials Science and Engineering
[2] AMR Engineering AS,Department of Science and Industry Systems
[3] University of South-Eastern Norway,undefined
来源：
Welding in the World | 2021年 / 65卷
关键词：
Forge welding; L80 casing grade steel; Thermal simulation; Shielded active gas forge welding;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The microstructure and mechanical properties of an API 5CT L80 casing grade steel (0.24C 0,4Si 1.4Mn CrNiCu) have been studied after performing weld thermal simulations (with and without subsequent tempering) applying a thermal cycle weld simulator. Specimens were subjected to three different peak temperatures (1300 °C, 1150 °C, 950 °C) and five different cooling rates (1 °C/s, 3 °C/s, 5 °C/s, 10 °C/s, 60 °C/s) through the austenite transformation temperature range. Based on the microstructure, hardness values, and toughness properties of the simulated specimens, thermal cycles were selected and recommended for welding of L80 components by the SAG-FW (shielded active gas forge welding) method.
引用
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页码：1983 / 1995
页数：12
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